|
Match
|
Document |
Document Title |
|
|
7575625 |
Method for separating solids from gas scrubbers
A solid is separated from a gas scrubber by collecting a solids burden not collected at a solids-collection device of a flue gas desulfurization system by adding at least one flocculant,...
|
|
|
7267775 |
Gas processing method using a filtered glycol solution
The invention relates to a method and to a plant for processing a gas by means of a glycol solution wherein a feed comprising a gas, a glycol, water and salts is subjected to a first stage ( 5 ) of...
|
|
|
7176341 |
Method and devices for producing naphthalene from coke produced from coke oven crude gas
A method and apparatus are disclosed for recovering pure naphthalene from hot crude coke oven gas. The hot crude coke oven gas is directly cooled by means of sprinkling water directly thereon, and...
|
|
|
7135058 |
Polluted air treatment method and system
A system for removing at least one pollutant from an air stream exhaust, the system including a plurality of enclosures through which the air stream exhaust is directed to cool the air stream...
|
|
|
6872240 |
Method and apparatus for filtering an air stream using an aqueous-froth together with nucleation
A method for urging contact between contaminants in an air stream and the wet surfaces of an aqueous-froth, and additional means of limiting the froth to a predetermined volume are provided. A wide...
|
|
|
6869466 |
Cucurbiturils and method for binding gases and volatiles using cucurbiturils
In accordance with the invention, there is provided a method of binding a gas or volatile compound in a cucurbituril, by contacting the gas or volatile compound with the cucurbituril to form a...
|
|
|
6656249 |
Method for desulphurization of gases
A method of removing hydrogen sulphide from a gas stream wherein the hydrogen sulphide is scrubbed from the gas phase by an aqueous solution, the hydrogen sulphide in the aqueous solution is...
|
|
|
6638342 |
Process and facility for removing metal contaminants from fertilizer streams
A process and system for producing fertilizers with reduced levels of contaminants, and particularly a flue gas scrubbing process and facility that produce a fertilizer byproduct which is treated...
|
|
|
6511529 |
Method of reducing the number of pollutants in a gas flow and device for carrying out said method
The object of the invention is to provide a method of treating wash water resulting from the scrubbing of process gases in smelting plants, according to which method the wash water is brought into...
|
|
|
6497751 |
Water-based paint recycling method
It is an object of the present invention to provide a water-based paint recycling method with which there is no need to set up the water-based paint application booth close to the condensing...
|
|
|
6488742 |
Method for regenerating a loaded wash liquid from a gas desulfurization facility
Process for the removal of metal cabonyls before regeneration of a desulfurization wash liquid, which includes removing a part of the carbon monoxide from the wash liquid, conversion of the metal...
|
|
|
6451092 |
System and process for agglomeration and processing of carbonaceous fines and dust
A system and process for agglomerating and processing carbonaceous fines is provided. The process includes powdering the carbonaceous fines, mixing the powdered carbonaceous fines with an organic...
|
|
|
6336958 |
Method for purifying gas loaded with dust
A Method for purifying gas loaded with dust particles of various sizes, which method includes the following steps: (a) the gas loaded with dust particles is subjected to wet gas scrubbing at or...
|
|
|
6238462 |
Methods for the separation of compounds from acidic aqueous solutions
A method is disclosed for recovering germanium from a gaseous mixture which includes a germanium-containing compound in vapor or particulate form, acid in vapor form, and water vapor. The gaseous...
|
|
|
6197093 |
Method and apparatus for the purification of waste gas of a drying apparatus
The exhaust gas enters via an exhaust gas line into a washing apparatus. In the washing apparatus solid matter particles are predominantly separated. The pre-washed exhaust gas flows from the...
|
|
|
6174349 |
Continuous effluent gas scrubber system and method
A method and apparatus is provided which continuously filters scrubbed gases prior to emission to the atmosphere. In particular, the method and apparatus can continuously scrub the effluent stream...
|
|
|
6120582 |
Process for treating the scrubbing water from the gas scrubbing process in an iron ore reduction plant
|
|
|
6077332 |
Magnetic trap for removal of iron from amines
A process for reducing iron containing contaminants from a process stream of amine used for acid gas stripping by passing the process stream of amine adjacent a magnet sufficient to extract at...
|
|
|
6004379 |
System for quenching and scrubbing hot partial oxidation gas
A scrubbing tower and high pressure settler assembly, and the process for using same to remove particulates from a hot partial oxidation gas stream is disclosed. The scrubbing tower and high...
|
|
|
5938820 |
Air and gas scrubber using recycled water mixture
A gas cleaning apparatus is disclosed which comprises a housing having an inlet adjacent a bottom portion thereof and an outlet adjacent a top portion thereof. The housing preferably has at least...
|
|
|
5908491 |
Air cleaner
An air cleaner for efficiently providing clean air for a structure is comprised of a housing having an intake port and an exhaust port. At least one air chamber having a liquid reservoir at its...
|
|
|
5667760 |
Methods for sweetening hydrocarbons
Sour natural gas, containing H 2 S and organic sulfide contaminants, is contacted with a sweetening composition comprising an aqueous solution of a substantially equimolar mixture of OCl and HO 2...
|
|
|
5614102 |
Method for purifying sewage
A sewage purification method which includes a first step in which at least two kinds of flocculants are introduced in sewage for stirring and mixing therewith so as to float and settle inorganic...
|
|
|
5545330 |
Water treatment system
A water treatment system and process separates contaminants from water by flotation, by forming a removable floating scum of impurities utilizing a bubbling process, by filtering out suspended...
|
|
|
5405433 |
Direct centrate/filtrate return
A method and apparatus for recycling the bottoms product from an absorber tower back to the absorber tower. However, before the bottoms product is returned to the tower, the solid particles...
|
|
|
5378265 |
Apparatus for removing foreign particles for air
Air containing foreign particles is admitted into a cylindrical portable housing at the input end and cleaned air is discharged from the outlet end. A liquid supply has an open bath at the bottom...
|
|
|
5352366 |
Method for purifying liquid fuel boiler smoke by cooling and washing the smoke and neutralizing the effluents
To purify smoke from a liquid fuel (in particular heavy fuel oil) boiler by eliminating unwanted components including acids, the smoke, before it is exhausted to the atmosphere, is caused to pass...
|
|
|
5344597 |
Method and apparatus for making steel sheets
A method and apparatus for forming sheets of a first material, such as a metal, plastic, rubber, or the like, having a primary tank for heating a second molten material and containing the second...
|
|
|
5076939 |
Method for detackification of paint spray operation wastes
A novel method of treating circulating water containing over-sprayed water-based or solvent-based paint, such as in a paint spray booth operation, comprises adjusting the alkalinity of the paint...
|
|
|
5069687 |
Process of recovery of maleic anhydride from reaction gaseous mixtures
Process for the recovery of maleic anhydride from a gaseous mixture thereof, in which the gaseous mixture containing maleic anhydride is contacted with an absorbant for the maleic anhydride to give...
|
|
|
5034136 |
Method of detackifying paint overspray using reduced cation exchange capacity smectite clays and organoclays
The present invention relates a method for detackifying paint overspray comprising contacting the paint overspray with reduced cation exchange capacity smectite clays and organoclays.
|
|
|
5017351 |
Process for removing volatile organic compounds from air streams
Volatile organic compounds including hydrocarbons, halogenated compounds and other hazardous and toxic chemicals are removed from air streams by contacting the air with a suspension of tiny aqueous...
|
|
|
4940491 |
Composition for the paint detackification for both waterborne and solvent enamels
Both waterborne and solvent enamels can be sprayed in a common paint spray booth and be detackified by a composition comprising a blend of a melamine-formaldehyde polymer, polyvinyl alcohol and a...
|
|
|
4932984 |
Process for reduction of chlorinated solvent emissions
Chlorinated solvents are removed from vapor vent streams containing the solvent, water and non-condensable vapors by contacting the vent stream with a liquid spray of precooled chlorinated solvent...
|
|
|
4783958 |
Exhaust gas processing device and method
An exhaust gas processing device and method are disclosed for removing particulate and other materials from hot exhaust gas while muffling operational noises produced by the system emitting the...
|
|
|
4764561 |
Melamine-formaldehyde/styrene-acrylate paint detackification composition
A paint spray booth detackifying composition which includes mixtures of styrene-acrylate polymer and a melamine-formaldehyde polymer and the method of using same.
|
|
|
4762538 |
Spray absorber and method of operating
A spray absorber in which a rotary sprayer is centrally disposed adjacent to the top is provided with a cover cap which is adapted to be raised and is laterally pivotally movable and adapted to...
|
|
|
4723968 |
Method and apparatus for the purification of waste air containing biologically decomposable impurities
A method and an apparatus for the purification of waste air containing biologically decomposing impurities. The waste water is conducted through an absorption tower in which the impurities are...
|
|
|
4699633 |
Method for treating an aerosol to remove suspended particles therefrom
This invention provides a method for treating an aerosol comprising electrostatically charged particles, suspended in a gas, to separate said particles from said gas, which comprises mixing said...
|
|
|
4657566 |
Effluent cleansing method and device
A method and apparatus for removing pollutants from a gas by passing the gas through a liquid bath in a reservoir. A non-liquid space is provided above the liquid bath. The non-liquid space...
|
|
|
4554026 |
Aqueous hydrotrope solutions for paint detackifiers
Aqueous hydrotrope solutions are useful as detackification aids for oversprayed paint solids.
|
|
|
4247365 |
Method for cooling and dedusting degasification gases escaping from coal degasification chambers
A method of cooling and dedusting degasification gases which escape from coal degasification chambers particularly gases which are obtained in high temperature or low temperature carbonization of...
|
|
|
4149971 |
Two-stage process and apparatus for the separation of tar
A two-stage process for the separation of tar, from the condensates which result from the cooling of coke oven or generator gas, is disclosed along with the apparatus for carrying out the process....
|
|
|
4142875 |
Process for the purification of scrubbing solvents by removal of Ni(CO).sub .
A process for the purification of pressurized gases, such as those emanating from the partial gasification resp. combustion of fuel, which gases contain Ni(CO) 4 , which comprises contacting said...
|
|
|
4134755 |
Method for removing zinc type metals and compounds in dust recovery process in iron manufacture
A process and apparatus for recycling iron material components of dusts discharged from iron manufacturing furnaces such as blast furnaces and converters and removing zinc type metals and compounds...
|
|
|
4119538 |
Treatment of waste liquid and apparatus therefor and a fertilizer composition obtained thereby
A process for treating a waste liquid which is obtained from a fermentation process, e.g., an alcohol fermentation, and contains organic and inorganic substances which are useful as fertilizer, is...
|
|
|
4116830 |
Method of treating wet-washed silica dust
A method of treating the silica dust recovered from waste gasses by wet-washing of the gasses is disclosed. The sludge material is charged to a rotary kiln at a temperature of 800° - 1,400° C. in...
|
|
|
3975168 |
Process for gasifying carbonaceous solids and removing toxic constituents from aqueous effluents
Toxic trace element pollutants present in the raw product gas and raw flue gas streams produced during the gasification of coal or similar carbonaceous solids containing sulfur and such trace...
|
|
|
3938969 |
Purification of aluminum chloride
A process for purifying aluminum chloride gas such as that produced in the chlorination of bauxite, clay and other aluminous ores is disclosed. The method first selectively dissolves or liquefies...
|
|
|
3932149 |
Method for the purification of sulphuric acid containing mercury
The invention relates to a method of purifying sulphuric acid containing mercury in a plant for the production of sulphuric acid according to the contact process which involves drying moist roaster...
|